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OONOPIDAE SPECIES DESCRIPTION
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(Female redundant descriptions removed)
Prethopalpus humphreysi       Get publication



            Male (PBI_OON 46538). Total length 1.28. CEPHALOTHORAX: Carapace pale orange, without any pattern, ovoid in dorsal view, pars cephalica flat in lateral view, anteriorly narrowed to 0.49 times its maximum width or less, with rounded posterolateral corners, posterolateral edge without pits, posterior margin not bulging below posterior rim, anterolateral corners without extension or projections, posterolateral surface without spikes, surface of elevated portion of pars cephalica smooth, sides finely reticulate, thorax without depressions, fovea absent, without radiating rows of pits; lateral margin straight, rebordered, without denticles; plumose setae near posterior margin of pars thoracica absent; non-marginal pars cephalica setae light, needle-like, present, scattered; non-marginal pars thoracica setae light, needle-like; marginal setae light, needle-like. Clypeus margin slightly rebordered, curved downwards in front view, sloping forward in lateral view, median projection absent; setae present, light, needle-like. Chilum absent. Eyes absent. Sternum longer than wide, pale orange, uniform, fused to carapace, median concavity absent, without radial furrows between coxae I-II, II-III, III-IV, radial furrow opposite coxae III absent, surface smooth, without pits, microsculpture absent, sickle-shaped structures absent, anterior margin unmodified, posterior margin not extending posteriorly of coxae IV, anterior corner unmodified, lateral margin without infra-coxal grooves, distance between coxae approximately equal, extensions of pre-coxal triangles absent, lateral margins unmodified, without posterior hump; setae abundant, light, needle-like, evenly scattered, originating from small pits, without hair tufts. Mouthparts: Chelicerae, endites and labium pale orange. Chelicerae straight, anterior face unmodified; without teeth on both promargin and retromargin; fangs without tooth-like projections, directed medially, shape normal, without prominent basal process, tip unmodified; setae light, needle-like, densest medially; paturon distal region unmodified, posterior surface unmodified, promargin unmodified, inner margin unmodified, laminate groove absent. Labium triangular, fused to sternum, anterior margin indented at middle, same as sternum in sclerotization; with 1 or 2 setae on anterior margin, subdistal portion with unmodified setae. Endites distally not excavated, serrula present in single row, anteromedian tip with one strong, tooth-like projection, posteromedian part unmodified, same as sternum in sclerotization, endites twice as long as wide. ABDOMEN: ovoid, without long posterior extension, rounded posteriorly, inter-scutal membrane rows of small sclerotized platelets absent posteriorly; dorsum soft portions white, without color pattern. Book lung covers large, ovoid, without setae, anterolateral edge unmodified. Posterior spiracles connected by groove. Pedicel tube short, unmodified, scuto-pedicel region unmodified, scutum not extending far dorsal of pedicel, plumose hairs absent, matted setae on anterior ventral abdomen in pedicel area absent, cuticular outgrowths near pedicel absent. Dorsal scutum absent. Epigastric scutum weakly sclerotized, surrounding pedicel, slightly protuding, small lateral sclerites absent. Postepigastric scutum absent, postepigastric area slightly protruding. Spinneret scutum present, incomplete ring. Dorsum setae present, dark, needle-like. Epigastric area setae uniform, dark, needle-like. Postepigastric area setae present, dark, needle-like. Spinneret scutum with fringe of stout setae. Dense patch of setae anterior to spinnerets absent. Colulus represented only by setae. LEGS: white, without color pattern; femur IV not thickened, same size as femora I-III, patella plus tibia I near as long as carapace, tibia I unmodified, tibia IV specialized hairs on ventral apex absent, tibia IV ventral scopula absent, metatarsi I and II meso-apical comb absent, metatarsi III and IV weak ventral scopula absent. Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Tarsi I to IV without inferior claw. Trichobothria not examined. GENITALIA: Epigastric region with sperm pore large, triangular with rounded angles, situated in front of anterior spiracles, unmodified; furrow without omega-shaped insertions, without setae. Palp normal size, not strongly sclerotized, right and left palps symmetrical, proximal segments pale orange; embolus light, prolateral excavation absent; trochanter normal size, unmodified; femur normal size, two or more times as long as trochanter, without posteriorly rounded lateral dilation, attaching to patella subbasally; patella longer than femur, slightly larger than femur, without prolateral row of ridges, setae unmodified, patella 0.233 long, 0.126 wide, posteriorly rounded, connection to femur at 0.072; tibia trichobothria not examined; cymbium pale orange, ovoid in dorsal view, not fused with bulb, not extending beyond distal tip of bulb, plumose setae absent, without stout setae, without distal patch of setae; bulb pale orange, more than 2 times as long as cymbium, slender, tapering apically, bulb ventrally strongly bulged and pointed, with elongated distal tip.
Prethopalpus humphreysi, male abdomen, ventral view (image by BB, specimen ID: ---46538)

prethhumphmpabdv46538BB.tif

Prethopalpus humphreysi, male carapace, anterior view (image by BB, specimen ID: ---46538)

prethhumphmpcara46538BB.tif

Prethopalpus humphreysi, male carapace, dorsal view (image by BB, specimen ID: ---46538)

prethhumphmpcard46538BB.tif

Prethopalpus humphreysi, male carapace, lateral view (image by BB, specimen ID: ---46538)

prethhumphmpcarl46538BB.tif

Prethopalpus humphreysi, male habitus, dorsal view (image by BB, specimen ID: ---46538)

prethhumphmphabd46538BB.tif

Prethopalpus humphreysi, male habitus, lateral view (image by BB, specimen ID: ---46538)

prethhumphmphabl46538BB.tif

Prethopalpus humphreysi, male habitus, ventral view (image by BB, specimen ID: ---46538)

prethhumphmphabv46538BB.tif

Prethopalpus humphreysi, male palp, dorsal view (image by BB, specimen ID: ---46538)

prethhumphmppald46538BB.tif

Prethopalpus humphreysi, male palp, prolateral view (image by BB, specimen ID: ---46538)

prethhumphmppalp46538BB.tif

Prethopalpus humphreysi, male palp, retrolateral view (image by BB, specimen ID: ---46538)

prethhumphmppalr46538BB.tif

Prethopalpus humphreysi, male sternum, ventral view (image by BB, specimen ID: ---46538)

prethhumphmpstev46538BB.tif

Prethopalpus humphreysi, male palp, prolateral view (image by BB, specimen ID: ---46538)

prethhumphmdpalp46538BB.tif

Prethopalpus humphreysi, male palp, retrolateral view (image by BB, specimen ID: ---46538)

prethhumphmdpalr46538BB.tif


            Female (PBI_OON 23555). Total length 1.58. As in male except as noted. CEPHALOTHORAX: Female palp claws absent; spines absent; tarsus unmodified, patella without prolateral row of ridges. ABDOMEN: Book lung covers booklung cover brown, darker than abdomen. Epigastric scutum without lateral joints. Postepigastric scutum postepigastric area slightly protruding. LEGS: Leg spines absent. Tarsi I to IV superior claws tooth not examined in detail. Trichobothria not examined. GENITALIA: Dorsal view: epigastric area with slit-like epigynal opening, internal genital structure with free, needle-like anterior sclerite anterior and middle part thickened, and a long sinuous copulatory duct, posterior part not reaching groove of posterior spiracles (fig.)..
Prethopalpus humphreysi, female abdomen, anterior view (image by BB, specimen ID: ---23555)

prethhumphfpabda23555BB.tif

Prethopalpus humphreysi, female abdomen, ventral view (image by BB, specimen ID: ---23555)

prethhumphfpabdv23555BB.tif

Prethopalpus humphreysi, female carapace, anterior view (image by BB, specimen ID: ---23555)

prethhumphfpcara23555BB.tif

Prethopalpus humphreysi, female carapace, dorsal view (image by BB, specimen ID: ---23555)

prethhumphfpcard23555BB.tif

Prethopalpus humphreysi, female carapace, lateral view (image by BB, specimen ID: ---23555)

prethhumphfpcarl23555BB.tif

Prethopalpus humphreysi, female epigynum, epigynal area, ventral view (image by BB, specimen ID: ---23555)

prethhumphfpepiv23555BB.tif

Prethopalpus humphreysi, female habitus, dorsal view (image by BB, specimen ID: ---23555)

prethhumphfphabd23555BB.tif

Prethopalpus humphreysi, female habitus, ventral view (image by BB, specimen ID: ---23555)

prethhumphfphabv23555BB.tif

Prethopalpus humphreysi, female sternum, ventral view (image by BB, specimen ID: ---23555)

prethhumphfpstev23555BB.tif

 

DISTRIBUTION

AUSTRALIA
Prethopalpus humphreysi coordinates
Click the following link for a map from Discover Life which displays the records below. You can click anywhere on that map to zoom in, and clicking on any point will display the full data for that locality Prethopalpus humphreysi, Discover Life Map
 

MATERIAL EXAMINED
Order by:    
PBI USI Country State Division Locality Sex Type Status Elevation(m) GPS Coordinate Habitat Collection_Date Collector Inst. Code
PBI_OON 00046538  AUSTRALIA  Western Australia    Sturt Meados Station, bore 128  1 Adult Male  Holotype    -28.70000; 120.88333    24 Jul 2008  W. F. Humphreys, S. Cooper, J. Waldock  WAMP 
PBI_OON 00046543  AUSTRALIA  Western Australia    Sturt Meados Station, bore 128  1 Adult Female      -28.70000; 120.88333    24 Jul 2008  W. F. Humphreys, S. Cooper, J. Waldock  WAMP 
PBI_OON 00046541  AUSTRALIA  Western Australia    Sturt Meados Station, bore 128  1 Adult Female      -28.70000; 120.88333    01 Nov 2006  A. Allford  WAMP 
PBI_OON 00023555  AUSTRALIA  Western Australia    Sturt Meados Station, bore 128  1 Adult Female  Paratype    -28.70000; 120.88333    24 Jul 2008  W. F. Humphreys, S. Cooper, J. Waldock  WAMP 


 
 
 
 
The American Museum of Natural History, New York, in collaboration with
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The Field Museum of Natural History, Chicago   George Washington University, Washington DC
 
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This material is based upon work supported by the National Science Foundation under Grant No. DEB 0613754. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.
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